Given the shortcomings, the keyboard is rubbish. Judging by other reviews, the problem with sticky keys is quite massive, there is no software ate for this problem (and the problem is software, judging by the symptoms). I also have K380 - heaven and earth in quality in comparison with this one. Pros: Can be connected to up to three devices simultaneously and comes with a Logitech unifying receiver. It also comes with a very handy phone holder. With its cons: The volume keys stick - only the off / on of the keyboard is treated. The left Ctrl sticks - it is treated by pressing it again.
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